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곱셈 2자리 X 2자리

1

		5	9
		2	0
			0
1	1	8	0
1	1	8	0

2

		6	4
		9	7
	4	4	8
5	7	6	0
6	2	0	8

3

		4	0
		3	3
	1	2	0
1	2	0	0
1	3	2	0

4

		2	7
		2	7
	1	8	9
	5	4	0
	7	2	9

5

		7	5
		5	2
	1	5	0
3	7	5	0
3	9	0	0

6

		5	4
		8	3
	1	6	2
4	3	2	0
4	4	8	2

7

		1	7
		1	1
		1	7
	1	7	0
	1	8	7

8

		9	4
		6	3
	2	8	2
5	6	4	0
5	9	2	2

9

		4	1
		3	7
	2	8	7
1	2	3	0
1	5	1	7

10

		7	1
		2	4
	2	8	4
1	4	2	0
1	7	0	4

11

		3	4
		8	5
	1	7	0
2	7	2	0
2	8	9	0

12

		1	9
		3	4
		7	6
	5	7	0
	6	4	6

13

		2	5
		7	5
	1	2	5
1	7	5	0
1	8	7	5

14

		2	6
		2	7
	1	8	2
	5	2	0
	7	0	2

15

		6	1
		7	1
		6	1
4	2	7	0
4	3	3	1

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